xpyjs

gantt

An easy-to-use Gantt component. 持续更新，中文文档

gantt-vue2

javascript-canvas-paint-demo

JavaScript 之 canvas 系列，https://www.jeremyjone.com/462/

watermark

一款丰富配置、简单易用的水印插件

paint

Easy to use drawing board. 简单易用的绘图板